This is really good and moist with the topping. I've given the nutritional values for this cake with and without the topping. I think you could make this with whole wheat flour and it would turn out just as good.
Mandarin Orange Cake
1 cup White Sugar
1 cup White Flour
1 teaspoon Baking Soda
½ teaspoon Salt
1 Egg
1 teaspoon Vanilla
1 10 ounce can Mandarin Oranges, drained